package com.hmall.item.service.impl;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.hmall.common.dto.PageDTO;
import com.hmall.item.mapper.ItemMapper;
import com.hmall.item.pojo.Item;
import com.hmall.item.service.IItemService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.management.Query;

@Service
public class ItemService extends ServiceImpl<ItemMapper, Item> implements IItemService {

    @Override
    public void deductStock(Long itemId, Integer num) {
        try {
            getBaseMapper().deductStock(itemId, num);
        } catch (Exception e) {
            throw new RuntimeException("库存不足！");
        }
    }
}
